diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index 881e4d5..ceac39f 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -11,20 +11,9 @@ pipeline {
         disableConcurrentBuilds()
     }
 
-    parameters {
-        booleanParam \
-            name: 'Clean',
-            description: 'Clean the workspace and perform a full rebuild'
-    }
-
     stages {
         stage('Build') {
             steps {
-                script {
-                    if (params.Clean) {
-                        sh 'rm -rf _build'
-                    }
-                }
                 copyArtifacts \
                     filter: 'aarch64/mqttdpms',
                     projectName: '../mqttdpms/master',
diff --git a/mkrootfs.sh b/mkrootfs.sh
index 8aa034a..4082ece 100644
--- a/mkrootfs.sh
+++ b/mkrootfs.sh
@@ -5,7 +5,7 @@ set -e
 srcdir="$(dirname "$0")"
 destdir="$(mkdir -p "$1" && readlink -e "$1")"
 dest=basementhud.squashfs
-releasever=35
+releasever=37
 
 mkdir -p "${destdir}"